Build 060.20.2: integrate Consistency with Trade Runtime
This commit is contained in:
@@ -9,6 +9,9 @@ from src.market_data.acquisition.consistency.trade_stream_state import (
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TradeStreamState,
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)
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from src.market_data.acquisition.models.trade import Trade
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from src.market_data.acquisition.runtime.trade.trade_runtime_protocol import (
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TradeRuntimeProtocol,
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)
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class TradeStreamConsistencyController(
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@@ -18,11 +21,17 @@ class TradeStreamConsistencyController(
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Контроллер проверки согласованности Canonical Trade Stream.
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Для каждого торгового инструмента поддерживается
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независимое состояние проверки.
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независимое состояние проверки, которое хранится
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в Trade Runtime Registry.
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"""
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def __init__(self) -> None:
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self._states: dict[str, TradeStreamState] = {}
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_RUNTIME_NAMESPACE = "consistency"
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def __init__(
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self,
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runtime: TradeRuntimeProtocol,
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) -> None:
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self._runtime = runtime
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def accept(
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self,
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@@ -36,10 +45,24 @@ class TradeStreamConsistencyController(
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self,
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symbol: str,
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) -> TradeStreamState:
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state = self._states.get(symbol)
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key = self._runtime_key(symbol)
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if state is None:
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state = TradeStreamState(symbol=symbol)
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self._states[symbol] = state
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if self._runtime.is_registered(key):
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return self._runtime.get(key)
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state = TradeStreamState(symbol=symbol)
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self._runtime.register(key, state)
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return state
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@classmethod
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def _runtime_key(
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cls,
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symbol: str,
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) -> str:
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"""
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Возвращает ключ Runtime Registry
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для состояния проверки Trade Stream.
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"""
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return f"{cls._RUNTIME_NAMESPACE}:{symbol}"
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@@ -14,10 +14,30 @@ from src.market_data.acquisition.consistency.trade_stream_exceptions import (
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TradeConsistencyError,
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TradeOrderingError,
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)
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from src.market_data.acquisition.consistency.trade_stream_state import (
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TradeStreamState,
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)
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from src.market_data.acquisition.models.trade import (
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Trade,
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TradeAggressorSide,
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)
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from src.market_data.acquisition.runtime.trade.trade_runtime_registry import (
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TradeRuntimeRegistry,
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)
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@pytest.fixture
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def runtime() -> TradeRuntimeRegistry:
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return TradeRuntimeRegistry()
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@pytest.fixture
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def controller(
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runtime: TradeRuntimeRegistry,
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) -> TradeStreamConsistencyController:
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return TradeStreamConsistencyController(
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runtime=runtime,
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)
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def _trade(
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@@ -46,19 +66,35 @@ def _trade(
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)
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def test_creates_state_for_first_symbol() -> None:
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controller = TradeStreamConsistencyController()
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def test_creates_state_for_first_symbol(
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controller: TradeStreamConsistencyController,
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runtime: TradeRuntimeRegistry,
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) -> None:
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trade = _trade(symbol="BTCUSD")
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result = controller.accept(trade)
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assert result == trade
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assert runtime.is_registered("consistency:BTCUSD")
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def test_reuses_state_for_same_symbol() -> None:
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controller = TradeStreamConsistencyController()
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def test_registers_trade_stream_state(
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controller: TradeStreamConsistencyController,
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runtime: TradeRuntimeRegistry,
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) -> None:
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controller.accept(
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_trade(symbol="BTCUSD"),
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)
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state = runtime.get("consistency:BTCUSD")
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assert isinstance(state, TradeStreamState)
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def test_reuses_state_for_same_symbol(
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controller: TradeStreamConsistencyController,
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runtime: TradeRuntimeRegistry,
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) -> None:
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first_trade = _trade(
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symbol="BTCUSD",
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trade_id=100,
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@@ -69,15 +105,19 @@ def test_reuses_state_for_same_symbol() -> None:
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)
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controller.accept(first_trade)
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first_state = runtime.get("consistency:BTCUSD")
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result = controller.accept(second_trade)
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second_state = runtime.get("consistency:BTCUSD")
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assert result == second_trade
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assert second_state is first_state
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def test_keeps_independent_state_per_symbol() -> None:
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controller = TradeStreamConsistencyController()
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def test_keeps_independent_state_per_symbol(
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controller: TradeStreamConsistencyController,
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runtime: TradeRuntimeRegistry,
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) -> None:
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btc_trade = _trade(
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symbol="BTCUSD",
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trade_id=100,
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@@ -90,13 +130,17 @@ def test_keeps_independent_state_per_symbol() -> None:
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btc_result = controller.accept(btc_trade)
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eth_result = controller.accept(eth_trade)
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btc_state = runtime.get("consistency:BTCUSD")
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eth_state = runtime.get("consistency:ETHUSD")
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assert btc_result == btc_trade
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assert eth_result == eth_trade
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assert btc_state is not eth_state
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def test_returns_none_for_duplicate_trade() -> None:
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controller = TradeStreamConsistencyController()
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def test_returns_none_for_duplicate_trade(
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controller: TradeStreamConsistencyController,
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) -> None:
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trade = _trade()
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controller.accept(trade)
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@@ -106,9 +150,9 @@ def test_returns_none_for_duplicate_trade() -> None:
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assert result is None
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def test_propagates_ordering_error() -> None:
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controller = TradeStreamConsistencyController()
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def test_propagates_ordering_error(
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controller: TradeStreamConsistencyController,
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) -> None:
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controller.accept(
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_trade(trade_id=100),
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)
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@@ -119,9 +163,9 @@ def test_propagates_ordering_error() -> None:
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)
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def test_propagates_consistency_error() -> None:
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controller = TradeStreamConsistencyController()
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def test_propagates_consistency_error(
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controller: TradeStreamConsistencyController,
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) -> None:
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controller.accept(
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_trade(
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trade_id=100,
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